One of the strangest revelations in Beauty in Black Season 3 has viewers asking a disturbing question:
Did Horace really have cancer — or was someone deliberately making him sick?
The answer is one of Season 3’s biggest twists.
Horace learns that his cancer was not simply a naturally occurring illness. His Italian oncologist tells him that evidence from his treatment indicates he had been deliberately and gradually poisoned.
The series ultimately reveals that Norman was behind the plot against his own brother.
So why did Norman do it, and what exactly happened to Horace?
Here is the twist explained.
Did Horace Really Have Cancer in Beauty in Black?
Horace spent much of the series believing he was seriously ill with cancer.
His illness became extremely important to the Bellarie family because everyone was already fighting over money, control of the company and what would happen after Horace died.
But Season 3 changes what viewers thought they knew.
After Horace undergoes experimental treatment in Italy, his oncologist contacts him with disturbing information.
The doctors discovered evidence suggesting that his condition had been deliberately induced rather than occurring naturally.
Someone had apparently been injecting cancer cells into Horace’s system over time.
That means Horace’s illness was not simply bad luck.
Someone wanted him sick.
Who Gave Horace Cancer?
The trail eventually leads back to Norman Bellarie — Horace’s own brother.
After learning what happened, Horace begins investigating Stanley Heart Hospital.
He pressures one of the hospital board members for information and discovers that Norman had ordered the scheme against him.
This revelation completely changes the meaning of Horace and Norman’s rivalry.
They were no longer simply two brothers who hated each other.
Norman had allegedly been trying to destroy Horace slowly from inside the medical system Horace trusted.
Why Did Norman Want Horace Sick?
Norman and Horace’s relationship had been poisoned by decades of resentment.
Their conflict involves family power, money, control and old betrayals.
But Norman’s hatred becomes even more intense because of the death of his wife, Ina.
Norman believes the Bellarie family’s actions are responsible for destroying his life, and his desire for revenge increasingly overwhelms everything else.
By Season 3, the brothers are no longer competing for influence.
They are trying to destroy each other.
The cancer plot shows just how far Norman was willing to go.
Instead of openly attacking Horace, the plan allowed Horace to believe he was dying naturally.
And while Horace believed his time was running out, the rest of the Bellarie family began positioning themselves for what would happen after his death.
Was Horace Actually Dying?
This is where the twist becomes particularly important.
Horace genuinely became seriously ill.
But the cause of his illness was not what he originally believed.
After receiving experimental treatment in Italy, Horace’s health improves dramatically.
Netflix’s own Season 3 material describes Kimmie’s husband as the “now-healthy” Horace when he returns to confront his family.
That recovery becomes even more significant once Horace discovers that his illness had been deliberately caused.
He survived one attempt to destroy him.
But Season 3 immediately puts his life in danger again.
What Happens Between Horace and Norman?
The brothers’ conflict finally explodes near the end of Season 3.
Norman goes after Mallory because he wants revenge over the death of his wife Ina.
Mallory shoots Norman when he confronts her inside her home.
Norman is badly wounded and left bleeding on the floor.
Then Horace arrives.
Instead of simply leaving, Horace confronts and taunts his wounded brother.
That proves to be a dangerous mistake.
Norman manages to summon enough strength to grab a gun and shoot Horace.
Horace’s security team rushes him to the hospital.
Norman remains behind, gravely wounded.
Is Horace Dead at the End of Beauty in Black Season 3?
The series does not confirm that Horace is dead.
This distinction matters.
Horace is alive when his security team takes him away for medical treatment.
But Season 3 ends without confirming whether he ultimately survives the gunshot wound.
Netflix’s official Season 3 ending explanation deliberately leaves the fate of both Horace and Norman unresolved.
So the most accurate answer is:
Horace is not confirmed dead.
He survives long enough to reach medical care, but his final condition remains unknown.
Is Norman Dead?
Norman’s situation looks even worse.
Mallory shoots him first, and he is already severely wounded when he manages to shoot Horace.
Unlike Horace, Norman is not immediately rushed away by a security team.
He is left bleeding on Mallory’s floor.
But once again, Beauty in Black does not explicitly confirm his death.
Netflix describes Norman as being left behind seemingly dying.
That wording is important.
Until Season 4 reveals what happened, Norman should not be treated as officially dead.
Why the Cancer Twist Matters
The cancer revelation is more than another shocking Beauty in Black plot twist.
For much of the story, Horace’s illness drives the Bellarie family’s behavior.
His children worry about inheritance.
Family members fight for control.
Kimmie’s marriage to Horace changes the balance of power.
And everyone makes decisions based partly on the assumption that Horace may not have much time left.
Then Season 3 reveals that the illness itself was part of the Bellarie family’s war.
Horace wasn’t simply dying while his family fought over his empire.
His own brother was secretly helping create the crisis in the first place.
That makes Norman’s betrayal one of the darkest revelations in the series.
Did Norman Inject Horace Himself?
The show does not present Norman as personally standing beside Horace and injecting him.
Instead, Horace’s investigation reveals that Norman was behind the orders connected to what happened through Stanley Heart Hospital.
That distinction matters.
The plot is not:
“Norman personally injected Horace.”
It is:
“Norman was revealed as the person behind the scheme that caused Horace’s illness.”
This is also why Horace becomes deeply suspicious of the hospital after discovering the truth.
What Does This Mean for Beauty in Black Season 4?
Season 3 leaves both Bellarie brothers in potentially fatal condition.
But Beauty in Black has already been renewed for Season 4.
That creates several major questions.
If Horace survives, he now knows exactly how far Norman was willing to go to eliminate him.
If Norman survives, the brothers’ war could become even more violent.
And if one or both die, control of the Bellarie empire could shift dramatically toward Kimmie, Mallory or other members of the family.
There is also the much larger Season 3 cliffhanger involving the shooting at Make It Rain.
So Horace’s fate is only one of several unresolved questions heading into Season 4.
Quick Answer
For viewers who just want the Season 3 twist explained:
Did Horace really have cancer?
He became seriously ill, but Season 3 reveals his condition was deliberately induced.
Who was behind it?
Norman, Horace’s brother.
Did Norman personally inject him?
The series identifies Norman as being behind the scheme, not as personally administering the injections.
Did Horace recover?
His experimental treatment worked and his health improved.
Is Horace dead after Norman shoots him?
Not confirmed. He is taken to the hospital alive.
Is Norman dead?
Also not officially confirmed.
The cancer mystery therefore has an answer.
But the fate of the two brothers does not.
And that is one of the biggest questions Beauty in Black Season 4 will have to resolve.